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Radiant|Lab Grown|IGI

1.27ct D VVS1 Radiant Lab Grown Diamond

ID • D/VVS1 • IGI LG843661221

Shape and cutting style on the report: Cut cornered rectangular modified brilliant

Certificate IGI LG843661221

Diamond specifications and retailer prices

From £175 GBP
As of November 4, 2026
Save £1,014 GBP (85%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: £1,189 GBP at Brilliant Earth · As of November 5, 2026
View at Brilliant Earth

About this 1.27ct lab-grown radiant diamond

This 1.27ct lab-grown radiant sits in the one-and-a-quarter to one-and-a-half carat band, graded D colour (colourless) and VVS1 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG843661221 or 843661221. Listed at 15 retailers as of November 4, 2026, with prices from £175 to £1,189, a £1,014 spread on the same certified stone. Brilliant Earth lists it at £1,189. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.27
Carat
D
Colour
VVS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle45.3°
Pavilion angle34.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG843661221
Dimensions7.82 × 5.30 × 3.56 mm
L/W Ratio1.48
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
7.82 mm5.30 mm1.27 ctD / VVS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG843661221
Side View
Table 65.0%Crown 45.3°Girdle: Slightly ThickPavilion 34.7°Culet: NoneDepth 67.2%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 4
Current: £1,189 GBP|Low: £175 GBP|High: £1,189 GBP|Avg: £493 GBP
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
November 5, 2026
Retailer 12£175 GBP
Retailer 9£194 GBP
Retailer 2£219 GBP
Retailer 3£333 GBP
Retailer 5£341 GBP
Retailer 6£343 GBP
Retailer 10£354 GBP
Retailer 8£471 GBP
Retailer 4£486 GBP
Retailer 11£623 GBP
Retailer 14£625 GBP
Retailer 13£661 GBP
Retailer 7£797 GBP
Retailer 15£911 GBP
Brilliant Earth£1,189 GBP

6 data points across 15 retailers

15 retailers£175 GBP to £1,189 GBP

A
Cheapest Retailer
-
£175 GBP
Final sale: no returns
A
Retailer 2
-
£194 GBP
View
A
Retailer 3
-
£219 GBP
View
A
Retailer 4
-
£333 GBP
View
A
Retailer 5
-
£341 GBP
View
A
Retailer 6
-
£343 GBP
View
A
Retailer 7
-
£354 GBP
View
B+
Retailer 8
-
£471 GBP
View
B+
Retailer 9
-
£486 GBP
View
B+
Retailer 10
-
£623 GBP
View
B+
Retailer 11
-
£625 GBP
View
B+
Retailer 12
-
£661 GBP
View
B
Retailer 13
-
£797 GBP
View
B
Retailer 14
-
£911 GBP
View
Most Expensive
B
Brilliant Earth
22394279A · Nov 5
£1,189 GBP
$1,600 USD
View
14 more retailers have this diamond
Prices start from £175 GBPSave up to £1,014 GBP

Carat Hunter is not affiliated with, endorsed by, or sponsored by any retailer listed. Retailer information is from publicly available sources and may not be current. Verify details directly with the retailer before purchasing. Return terms as we hold them. Check the retailer's own returns page before you buy.

A
1.27ct Radiant
£175 GBP